<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>登陆页面</title>
    <link rel="stylesheet" href="css/conmmon.css">
    <link rel="stylesheet" href="css/login.css">
    <script src="js/jquery.min.js"></script>
</head>

<body>
<!-- 导航栏 -->
<div class="nav">
    <img src="img/logo2.jpg" alt>
    <span class="title">blog分享站</span>
    <!-- 用来占据中间位置 -->
    <span class="spacer"></span>
    <a href="blog_list.html">主页</a>
    <a href="reg.html">注册</a>
</div>
<!-- 版心 -->
<div class="login-container">
    <!-- 中间的登陆框 -->
    <div class="login-dialog">
        <h3>登陆</h3>
        <div class="row">
            <span>用户名</span>
            <input type="text" id="username">
        </div>
        <div class="row">
            <span>密码</span>
            <input type="password" id="password">
        </div>
        <div class="row">
            <span>验证码</span>
            <input id="code_input" style="width: 80px;">&nbsp;&nbsp;
            <img onclick="refreshCode()" id="codeimg"
                 style="display:none;height: 50px;width: 130px;">
        </div>
        <div class="row">
            <button id="submit" onclick="mysub()">登录</button>
        </div>
    </div>
</div>
<script>
    // 加载验证码
    function initCode(){
        jQuery.ajax({
            url:"/user/getcode",
            type:"POST",
            data:{ },
            success:function(res){
                if(res.code==200 && res.data.length>0){
                    jQuery("#codeimg").attr("src",res.data);
                    jQuery("#codeimg").show();
                }
            }
        });
    }
    initCode();

    function refreshCode(){
        initCode();
    }

    function mysub(){
        // 1.非空效验
        var username = jQuery("#username");
        var password = jQuery("#password");
        if(username.val().trim()==""){
            alert("请先输入用户名！");
            username.focus();
            return false;
        }
        if(password.val().trim()==""){
            alert("请先输入密码！");
            password.focus();
            return false;
        }
        // 2.发生登录请求给后端
        jQuery.ajax({
            url:"/user/login",
            type:"POST",
            data:{
                "username":username.val(),
                "password":password.val()
            },
            success:function(res){
                if(res.code==200 && res.data==1){
                    // 登录成功
                    // alert("恭喜：登录成功！");
                    location.href = "myblog_list.html";
                }else{
                    alert("抱歉：登录失败！"+res.msg);
                }
            }
        });
    }
</script>
</body>

</html>